Python Technical SME

Danta Technologies

$150K — $180K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Minimum 10 years of experience in software development, particularly in Python.
  • Proficient in backend coding and refactoring within complex Python codebases.
  • Strong understanding of dependency management and package architecture.
  • Experience with custom patch management and historical overrides.
  • Familiarity with C-extensions and interfacing with compiled languages like C/C++.
  • Solid grasp of advanced tooling and automated scripting techniques.
  • Ability to execute architectural conversions and multi-version migrations.

Responsibilities

  • Lead hands-on refactoring efforts to resolve critical runtime errors and dynamic import issues.
  • Analyze and resolve dependency conflicts within Python projects based on configuration files.
  • Manage custom patching processes to ensure smooth integration with upstream releases.
  • Execute architectural conversions for shared internal libraries across multiple Python versions.
  • Audit and refactor Python-to-C/C++ bindings to enhance performance.

Benefits

  • Competitive pay aligned with industry standards for W2 employees.
  • Healthcare insurance options including dental, medical, and vision coverage.
  • Paid sick leave in accordance with state law.
  • Major holidays off.
Full Job Description
Note: This position is based in San Jose, CA, and requires 5 days per week working from the office. Only candidates who are currently located within the United States will be considered. Applications from candidates residing outside the USA will not be accepted. Required Experience: Minimum 10 Years of experience Summary: The Python Technical SME is the ultimate technical escalation point and hands-on "Strike Team " lead for the Python language pod. This is a heavy Backend Coding and Refactoring role focused on resolving complex dynamic language failures, strict version incompatibilities, and critical API breaking changes across large-scale Python codebases. The SME intervenes when automated migration scripts fail, ensuring application stability during major dependency and runtime upgrades. Detailed JD & Responsibilities: Core Responsibilities:
  • Hands-On Hardcore Refactoring: Resolve subtle runtime type errors, dynamic import issues, and breaking changes introduced by major library version bumps across large Python codebases.
  • Resolving Dependency Conflicts: Deeply analyze hierarchical pyproject.toml, requirements.txt, and setup configurations to resolve transitive dependency deadlocks.
  • Custom Patching Management: Debug and merge historical custom overrides and patches to align with clean upstream package releases.
  • rchitectural Conversions: Execute multi-version layout migrations and structure clean boundaries for shared internal Python libraries.
  • C-Extension & FFI Auditing: Manage and refactor complex Python-to-C/C++ bindings, addressing memory management and interpreter overhead during upgrades.
Mandatory Backend Coding & Refactoring Skills Skill Description Target Proficiency (1-5) Backend Coding (Python) dvanced refactoring, asynchronous programming, and typing systems in Python 3.x. Package Arch/Dependencies Untangling virtual environments, pip dependency resolvers, and package graphs. dvanced Tooling Pipeline Hands-on scripting, automated syntax transforms, and AST manipulation tools. Build Systems (Blaze/Bazel/Pip) Deep understanding of package packaging, wheel distributions, and module visibility. C-Extensions / FFI Bridging compiled languages (e.g., C/C++ extensions to Python). Benefits: Danta offers a compensation package to all W2 employees that are competitive in the industry. It consists of competitive pay, the option to elect healthcare insurance (Dental, Medical, Vision), Major holidays and Paid sick leave as per state law. The rate/ Salary range is dependent on numerous factors including Qualification, Experience and Location.

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